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Finding the Fourth Proportional to 192,662.57, 288,922.17 and 66,267.34

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Solution

The fourth proportional to 192,662.57, 288,922.17 and 66,267.34 is: 99,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,662.57 : 288,922.17 = 66,267.34 : x
  2. Step 2: Convert to fraction form
    192,662.57/288,922.17 = 66,267.34/x
  3. Step 3: Cross multiply
    192,662.57x = 288,922.17 × 66,267.34
  4. Step 4: Simplify right side
    192,662.57x = 19,146,102,950.62
  5. Step 5: Solve for x
    x = 19,146,102,950.62/192,662.57
  6. Step 6: Final answer
    x = 99,376.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.